#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include "server.h"

// https://en.wikipedia.org/wiki/Fowler-Noll-Vo_hash_function#FNV-1a_hash
uint64_t hashmap_hash(const char *bytes, size_t bytes_n, size_t map_len)
{
    uint64_t hash = 0xcbf29ce484222325;

    for (size_t i = 0; i < bytes_n; i++) {
        hash *= 0x100000001b3;
        hash ^= bytes[i];
    }

    return (hash % map_len);
}

const char *arg_shift(int *argc, char ***argv) {
    if (*argc < 1)
        return NULL;

    const char *result = *argv[0];
    *argc -= 1;
    *argv += 1;
    return result;
}

int main(int argc, char *argv[])
{
    arg_shift(&argc, &argv);

    const char *socket_path = arg_shift(&argc, &argv);
    socket_path = socket_path == NULL ? "/tmp/jitterbug-unix0" : socket_path;

    struct jb_server *srv = jb_server_create(socket_path);
    if (srv == NULL) {
        fprintf(stderr, "server_create failed\n");
        return EXIT_FAILURE;
    }

    printf("Listening on %s\n", socket_path);

    while (1) {
        if (jb_server_turn(srv) < 0) {
            fprintf(stderr, "server_turn failed\n");
            jb_server_free(srv);
            return EXIT_FAILURE;
        }
    }

    jb_server_free(srv);

    return EXIT_SUCCESS;
}